The IOCTL 9031 (BIOCGSTATS) handler in the NPF.SYS device driver in
WinPcap before 4.0.1 allows local users to overwrite memory and
execute arbitrary code via malformed Interrupt Request Packet (Irp)
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IDEFENSE:20070709 WinPcap NPF.SYS Local Privilege Escalation Vulnerability
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